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Sang Hyun Cho, Ph.D.

Present Title & Affiliation

Primary Appointment

Professor, Department of Radiation Physics, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX

Education & Training

Degree-Granting Education

1997 Texas A&M University, College Station, TX, PHD, Nuclear Engineering/Medical Physics
1991 DePaul University, Chicago, IL, MS, Physics (Medical Physics Option)
1985 Sogang University, Seoul, Korea, BS, Physics

Postgraduate Training

9/1997-6/1998 Postdoctoral Fellow, Dr. William Hanson, Radiological Physics Center, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX

Board Certifications

6/2003 American Board of Radiology, Therapeutic Radiological Physics


Academic Appointments

Associate Professor, School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 1/2007-1/2013
Associate Professor, Department of Radiation Physics, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 9/2006-12/2006
Assistant Professor, Department of Radiation Physics, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 3/1999-8/2006
Assistant Physicist, Department of Radiation Physics, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 7/1998-2/1999

Other Appointments/Responsibilities

Medical Physics Staff, Radiation Oncology Center, St. Margaret Mercy Healthcare Centers, Hammond, IN, 9/1991-6/1994

Professional Memberships

American Association of Physicists in Medicine
Member, 1998-present

Selected Publications

Peer-Reviewed Original Research Articles

1. Du W, Cho SH, Zhang X, Hoffman KE, Kudchadker RJ. Quantification of beam complexity in intensity-modulated radiation therapy treatment plans. Med Phys 41(2):021716, 2/2014. PMID: 24506607.
2. Manohar N, Reynoso FJ, Cho SH. Experimental demonstration of direct L-shell x-ray fluorescence imaging of gold nanoparticles using a benchtop x-ray source. Med Phys 40(8):080702, 8/2013. PMID: 23927295.
3. Reynoso FJ, Lee CD, Cheong SK, Cho SH. Implementation of a multisource model for gold nanoparticle-mediated plasmonic heating with near-infrared laser by the finite element method. Med Phys 40(7):073301, 7/2013. PMID: 23822455.
4. Siddiqi AK, Cho SH. Agar-based heat sensitive gel with linear thermal response over 65-80 degrees C. J Therm Anal Calorim 111(3):1805-1809, 3/2013.
5. Jones BL, Manohar N, Reynoso F, Karellas A, Cho SH. Experimental demonstration of benchtop x-ray fluorescence computed tomography (XFCT) of gold nanoparticle-loaded objects using lead- and tin-filtered polychromatic cone-beams. Phys Med Biol 57(23):N457-67, 12/7/2012. e-Pub 11/8/2012. PMCID: PMC3543152.
6. Yang Y, Liu J, Yang Y, Cho SH, Hu TC. Assessment of cell infiltration in myocardial infarction: a dose-dependent study using micrometer-sized iron oxide particles. Magn Reson Med 66(5):1353-61, 11/2011. e-Pub 6/27/2011. PMID: 21710611.
7. Jones BL, Cho SH. The feasibility of polychromatic cone-beam x-ray fluorescence computed tomography (XFCT) imaging of gold nanoparticle-loaded objects: a Monte Carlo study. Phys Med Biol 56(12):3719-30, 6/21/2011. e-Pub 5/31/2011. PMID: 21628767.
8. Jones BL, Krishnan S, Cho SH. Estimation of microscopic dose enhancement factor around gold nanoparticles by Monte Carlo calculations. Med Phys 37(7):3809-16, 7/2010. PMID: 20831089.
9. Cheong SK, Jones BL, Siddiqi AK, Liu F, Manohar N, Cho SH. X-ray fluorescence computed tomography (XFCT) imaging of gold nanoparticle-loaded objects using 110 kVp x-rays. Phys Med Biol 55(3):647-62, 2/7/2010. e-Pub 1/13/2010. PMID: 20071757.
10. Krishnan S, Diagaradjane P, Cho SH. Nanoparticle-mediated thermal therapy: evolving strategies for prostate cancer therapy. Int J Hyperthermia 26(8):775-89, 2010. e-Pub 9/21/2010. PMCID: PMC3071560.
11. Cheong SK, Krishnan S, Cho SH. Modeling of plasmonic heating from individual gold nanoshells for near-infrared laser-induced thermal therapy. Med Phys 36(10):4664-71, 10/2009. PMID: 19928098.
12. Cho SH, Jones BL, Krishnan S. The dosimetric feasibility of gold nanoparticle-aided radiation therapy (GNRT) via brachytherapy using low-energy gamma-/x-ray sources. Phys Med Biol 54(16):4889-905, 8/21/2009. e-Pub 7/27/2009. PMCID: PMC3064075.
13. Han Y, Shin EH, Lim C, Kang SK, Park SH, Lah JE, Suh TS, Yoon M, Lee SB, Cho SH, Ibbott GS, Ju SG, Ahn YC. Dosimetry in an IMRT phantom designed for a remote monitoring program. Med Phys 35(6):2519-27, 6/2008. PMID: 18649485.
14. Diagaradjane P, Shetty A, Wang JC, Elliott AM, Schwartz J, Shentu S, Park HC, Deorukhkar A, Stafford RJ, Cho SH, Tunnell JW, Hazle JD, Krishnan S. Modulation of in vivo tumor radiation response via gold nanoshell-mediated vascular-focused hyperthermia: characterizing an integrated antihypoxic and localized vascular disrupting targeting strategy. Nano Lett 8(5):1492-500, 5/2008. e-Pub 4/16/2008. PMID: 18412402.
15. Cheng CW, Cho SH, Taylor M, Das IJ. Determination of zero-field size percent depth doses and tissue maximum ratios for stereotactic radiosurgery and IMRT dosimetry: comparison between experimental measurements and Monte Carlo simulation. Med Phys 34(8):3149-57, 8/2007. PMID: 17879776.
16. Cho SH, Vassiliev ON, Horton JL. Comparison between an event-by-event Monte Carlo code, NOREC, and ETRAN for electron scaled point kernels between 20 keV and 1 MeV. Radiat Environ Biophys 46(1):77-83, 3/2007. e-Pub 1/12/2007. PMID: 17219152.
17. Zaman RT, Diagaradjane P, Wang J, Schwartz J, Rajaram N, Gill-Sharp KL, Cho SH, Rylander III HG, Payne D, Krishnan S, Tunnell JW. In vivo detection of gold nanoshells in tumors using diffuse optical spectroscopy. IEEE Journal of Selective Topics in Quantum Electronics, 2007.
18. Gifford KA, Mourtada F, Cho SH, Lawyer A, Horton JL. Monte Carlo calculations of the dose distribution around a commercial gynecologic tandem applicator. Radiother Oncol 77(2):210-5, 11/2005. e-Pub 10/10/2005. PMID: 16216363.
19. Cho SH. Estimation of tumour dose enhancement due to gold nanoparticles during typical radiation treatments: a preliminary Monte Carlo study. Phys Med Biol 50(15):N163-73, 8/7/2005. e-Pub 7/13/2005. PMID: 16030374.
20. Cho SH, Vassiliev ON, Lee S, Liu HH, Ibbott GS, Mohan R. Reference photon dosimetry data and reference phase space data for the 6 MV photon beam from varian clinac 2100 series linear accelerators. Med Phys 32(1):137-48, 1/2005. PMID: 15719964.
21. Sahoo N, Kazi AM, Cho SH, Sadagopn R, Shui AS. Effect of detector properties on beam profile measurement of small field MV x-ray beams. Biomedizinische Technik/Biomedical Engineering 50(Supplement 1):741-742, 2005.
22. KimCH, Cho, SH, Xu, XG,. PRDC-A software package for personnel radiation dose calculation, submitted July 2005. Radiation Protection Dosimetry, 2005.
23. Bencomo JA, Chu C, Tello VM, Cho SH, Ibbott GS. Anthropomorphic breast phantoms for quality assurance and dose verification. J Appl Clin Med Phys 5(1):36-49, 2004. e-Pub 1/1/2004. PMID: 15753932.
24. Cho, SH, Reece, WD, Kim, C-H. Validity of two simple rescaling methods for electron/beta dose point kernels in heterogeneous source-target geometry. Radiation Physics and Chemistry 69(4):265-272, 2004.
25. Cho SH, Ibbott GS. Reference photon dosimetry data: a preliminary study of in-air off-axis factor, percentage depth dose, and output factor of the Siemens Primus linear accelerator. J Appl Clin Med Phys 4(4):300-6, 2003. PMID: 14604419.
26. Kim, C-H, Reece, WD, Cho, SH. Computer simulation of radiation exposure in a S/G channel head. Trans. Am. Nucl. Soc 84:325-326, 2001.
27. Cho SH, Lowenstein JR, Balter PA, Wells NH, Hanson WF. Comparison between TG-51 and TG-21: Calibration of photon and electron beams in water using cylindrical chambers. J Appl Clin Med Phys 1(3):108-15, 2000. PMID: 11674825.
28. Cho SH, Muller-Runkel R, Hanson WF. Determination of the tissue attenuation factor along two major axes of a high dose rate (HDR) 192Ir source. Med Phys 26(8):1492-7, 8/1999. PMID: 10501048.
29. Cho SH, Reece WD. Monte Carlo calculations of the dose backscatter factor for monoenergetic electrons. Phys Med Biol 44(1):13-26, 1999. PMID: 10071872.
30. Cho SH, Reece WD, Poston JW, Sr. Calculation of the dose distribution in water from 71Ge K-shell x-rays. Phys Med Biol 42(6):1023-32, 6/1997. PMID: 9194126.
31. Cho SH, Muller-Runkel R. Validity of the interval method for the determination of the anisotropy factor of high dose rate 192Ir sources. Int J Radiat Oncol Biol Phys 37(2):483-7, 1/1997. PMID: 9069325.
32. Muller-Runkel R, Cho SH. Evaluation of a commercial three-dimensional electron pencil beam algorithm. Med Phys 24(1):91-101, 1997. PMID: 9029543.
33. Muller-Runkel R, Cho SH. Anisotropy measurements of a high dose rate Ir-192 source in air and in polystyrene. Med Phys 21(7):1131-4, 7/1994. PMID: 7968845.
34. Cho SH, Muller-Runkel R. Effect of anisotropy corrections on the dynamic dose calculations in high dose rate (HDR) brachytherapy. Phys Med Biol 39(7):1181-8, 7/1994. PMID: 15552105.

Last updated: 7/29/2014